Home / 15,636.60-23,456.13-4,543.48

Finding the Fourth Proportional to 15,636.60, 23,456.13 and 4,543.48

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Solution

The fourth proportional to 15,636.60, 23,456.13 and 4,543.48 is: 6,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.60 : 23,456.13 = 4,543.48 : x
  2. Step 2: Convert to fraction form
    15,636.60/23,456.13 = 4,543.48/x
  3. Step 3: Cross multiply
    15,636.60x = 23,456.13 × 4,543.48
  4. Step 4: Simplify right side
    15,636.60x = 106,572,457.53
  5. Step 5: Solve for x
    x = 106,572,457.53/15,636.60
  6. Step 6: Final answer
    x = 6,815.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.